Increasing focus on waste wood and plastic fractions

A constantly changing international waste market requires better design and higher quality within waste fractions. - At the moment we are establishing a new quality fraction within plastic waste, says general manager at Geminor Waste Treatment, Johan Olø.

Being subsidiaries of Geminor, both Geminor Waste Treatment (GWT) and Bøn Biobrensel are involved in the process of treating, storing and transporting waste fractions in both Scandinavia and Europe. Bøn Biobrensel, which was acquired by Geminor in February 2019, uses CBI grinders for the production of biofuels in the form of waste wood chips and biochips. The company is based in Eidsvoll in Norway, and has two mobile teams working both domestically and internationally. In addition, Bøn is handling garden waste for companies producing topsoil.

GWT has branches in both Norway and Sweden. In Norway, the main activity takes place on Storøy outside the town of Haugesund, where Geminor Group’s waste wood HUB is located. The waste wood, which is collected from several municipalities and private companies, is sorted and grinded at Storøy, says general manager of GWT and Bøn Biobrensel, Johan Olø.

Waste wood being grinded.

– There has been a consistent development in how we sort and process the waste wood we receive. Earlier we only made one quality fraction designed for incineration plants, mainly in Sweden. Waste wood is well suited for material recycling, and over time more and more waste wood has been used for material recycling rather than energy recovery, Johan Olø explains.

– Today we sort out MDF as well as contaminants such as plastics and paper. Increased sorting gives a higher quality, and after the grinding process the customized fraction of waste wood is shipped to panelboard manufacturers in Europe, says Olø.

A considerable volume of waste wood is now also being wrapped and baled.

– This year we have received impregnated wood that we grind and bale. This allows for safe storage and easier transport, and avoids moisture to enter the wood chips which causes decomposition, says Olø.

Plastic in focus
GWT SWE AB, the Swedish subsidiary, is headquartered in Landskrona in southern Sweden. Here, the company receives baled waste fuels from Europe, which arrives at the port just a few hundred meters from GWT’s HUB. The bales are then opened and the waste fuel is delivered to various incineration plants in the region. Recently, the Landskrona HUB had rails installed, making it possible to deliver waste fuels directly by train from Germany and other markets.

MD at GWT and Bøn Biobrensel, Johan Olø.

– What is also new at the Landskrona HUB is that we have landed a contract of processing large quantities of waste plastics. Now we will extract and grind plastic waste that meets the requirements of chemical recycling. This plastic is then shipped to the NAFTA-producing partner company Quantafuel, which has a plant in Denmark. This is a very exciting development for us, says Johan Olø.

Investing in machinery
The need for higher quality fractions also requires up-to-date machinery. In addition to excavators, wheel loaders, grinders and balers, GWT recently invested in an eddy current separator. The machine, which is based in Landskrona, will be used to clean metals out of waste, reduce contaminants and increase the quality of the end product.

– An increasing demand for quality fractions, both from the market and the authorities, means that we must invest in the right equipment. By doing this we are able to develop and tailor new fractions. A functional machine park is also important when we travel on assignments both in and outside of Scandinavia, concludes general manager of GWT and Bøn Biobrensel, Johan Olø.

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